PreparED Study Materials
Study Guides
Videos
Track Radius for 5.5g Acceleration: Approximate Value
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Delve into the physics of high-speed tracks and calculate the radius where drivers experience a 5.5g acceleration, exploring the multiple options and their implications.
Spring-Mass System Dynamics with Hammer Impact
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the intriguing dynamics of a spring-mass system, set in motion by a hammer's impact. Learn about period, frequency, amplitude, acceleration, position over time, and the total energy of this unique scenario.
Frictional Force in Crate Motion: Magnitude and Direction
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the fascinating world of friction in motion! In this video, we delve into the concept of frictional forces as we examine a crate being pushed across a factory floor. We'll calculate the magnitude and direction of the frictional force and uncover its role in maintaining constant velocity. Discover the science behind everyday motion.
Flashlight Bulb Power and Battery Terminal Voltage
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Illuminate the science of flashlight power! In this video, we explore how a 6V bulb is powered by a 3V battery with an internal resistance. We calculate the power dissipation of the bulb and the terminal voltage of the battery, unraveling the physics of electrical circuits.
Determining Kinetic Friction with a Spring-Loaded Block
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Understand how to determine the coefficient of kinetic friction using a wooden block and a spring. Employing the law of conservation of energy, we use the spring's compression and stretch measurements. Through energy equations and Newton's second law, we deduce that ? equals 0.4.
How is work related to energy?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the profound link between these two fundamental concepts in physics, and understand how they relate through the Work-Energy Theorem.










